I-Lithium Iron phosphate (Lifepo4) amabhethriSekucace ngokwengeziwe eminyakeni yamuva ngenxa yezinzuzo zazo ezihlukile ngenxa yamaKhemu ebhethri lendabuko. Owaziwa ngempilo yabo ende ende, ukuphepha, ukuqina kanye nezinzuzo zemvelo, amabhethri we-Lifepo4 asetshenziswa kabanzi ezimotweni zikagesi (evs), izinhlelo ze-solar Energy Storem, izinhlelo zasolwandle, ama-RV, nokuningi. Kodwa-ke, umbuzo owodwa ojwayelekile ovela phakathi kwabasebenzisi ukuthi ngabe kudingeka ishaja ekhethekile kumabhethri we-Lifepo4.
Impendulo emfushane ingu-yebo, kunconywe kakhulu ukusebenzisa ishaja eklanyelwe noma ehambisana namabhethri we-Lifepo4 ukuqinisekisa ukuphepha, ukusebenza kahle, kanye nokusebenza kahle. Kulesi sihloko, sizokwehla ngezizathu ezingemuva kwalesi sincomo, hlola umehluko phakathi kwamakhekhe amakhemikhali ebhethri, futhi unikeze ukuqonda okusebenzayo ekukhetheni ishaja yakho yebhethri lakho le-Lifepo4.
1. Kungani ushaja izindaba zamabhethri we-Lifepo4
Ukuqonda ukuthi kungani icala elikhethekile liyadingekaAmabhethri we-Lifepo4, kubalulekile ukuqala ukuqonda izici ezihlukile zaleli bhetri chemistry nokuthi iphendula kanjani kwinqubo yokushaja.
Izici ezibalulekile zamabhethri we-Lifepo4
Amabhethri we-LifePo4 anezici eziningana ezibenza bahlukane namanye amabhethri e-lithium-ion as the Lithium Cobalt onide (Limio2) noma i-Lithium Mangonganese ongide (Limn2o4), kanye namabhethri e-Holy-acid kanye neNickel-Cadmium:
· · Voltage ephezulu yokuqokwaAmabhethri e-Lithium-ion. Lo mehluko uthinta ukuthi ibhethri likhokhiswa kanjani nokuthi yimaphi amazinga kagesi adingekayo.
· Flat voltage Curve: Enye yezici eziphawuleka kakhulu zamabhethri we-Lifepo4 yi-voltage yazo ngesikhathi sokukhululwa. Lokhu kusho ukuthi i-voltage ihlala iqinile kuyo yonke imijikelezo yokukhipha, okwenza kube nzima ukulinganisa isimo sebhethri sokushaja (soc) ngaphandle kokuqapha okuqondile.
Ukuphila Komjikelezo Okude
· Ukuqina nokuphepha okushisayo: Lawa mabhethri ayaziwa ngokuqina kwawo okuhle kakhulu okushisayo kanye namakhemikhali, anciphisa ubungozi bokushisa ngokweqile nomlilo. Kodwa-ke, ukushaja okungalungile kungahlehlisa ukuphepha, okuholela ekulimaleni noma kuncishiswe isikhathi sokuphila kwebhethri.
Njengoba kunikezwe lezi zici, kubalulekile ukuqonda ukuthi ukushaja ibhethri le-Lifepo4 kwehlukile ekushaja amanye amakhilokhi ebhethri. Ukusebenzisa ishaja engalungile kungaholela ekubeni ngaphansi, ukucindezela ngokweqile, ukunciphisa ukusebenza kwebhethri, noma kulimaze ibhethri.
2. Umehluko phakathi kwamashaja we-Lifepo4 namanye amashaja ebhethri
Akuwona wonke amashaja webhethri adalwe alingana, futhi lokhu kuba yiqiniso kumabhethri e-Lifepo4. Ama-Charger aklanyelwe i-lead-acid, i-nickel-cadmium, noma ezinye izinhlobo zamabhethri e-lithium-ion awahambelani namabhethri we-Lifepo4. Nakhu ukwephulwa komehluko osemqoka:
Umehluko weVoltage
· I-Horive-acid Chargers: Amabhethri e-lead-acid ngokuvamile anama-voltage angu-12v, angama-24v, noma ama-48v, futhi inqubo yabo yokushaja ifaka izigaba ezithile, ezifana nokushaja. Isiteji sokushaja esintantayo, lapho ibhethri liqhubeka khona ngokuqhubekayo kumandla aphansi, lingaba yingozi kumabhethri we-Life
I-Lithium-ion Battery Charger (Limn2, Limn2o4): Lezi Charger zenzelwe amabhethri e-lithium-ion nge-voltage ephakeme ephezulu (3.6V noma i-3.7V kuseli). Ukushaja ibhethri le-Lifepo4 nalawa mashaja kungaholela ekuqhubekeni ngokweqile, njengoba amaseli we-LifePo4 ane-voltage ephansi ethe xaxa yeseli engu-3.65V ngeseli ngalinye, kanti amanye amaseli we-lithium-ion akhokhiswa ku-4.2v.
Usebenzisa ishaja eyenzelwe i-chemistry ehlukile ingaholela ekunciphiseni ama-voltage cut-offs, ngaphezulu, noma ngaphansi, konke okunciphisa ukusebenza kwebhethri.
Ukushaja umehluko we-algorithm
Amabhethri we-Lifepo4 adinga iphrofayili ethile ye-voltant / njalo (CC / CV)
I-1.BULK Shaja: Ishaja yeshaja iletha okuhlala njalo kuze kube yilapho ibhethri lifinyelela ku-voltage ethile (imvamisa 3.65v ngeseli ngalinye).
Isigaba se-2.absorption: Ishaja igcina i-voltage ehlala njalo (imvamisa 3.65V kuseli) futhi inciphisa okwamanje njengebhethri eliseduze nebhethri eliseduze nemali ephelele.
I-3.Termination: Inqubo yokushaja iyamiswa kanye lapho amaconsi wamanje esigabeni esiphansi esinqunyelwe, ukuvimbela ukungezwa ngokweqile.
Ngokuphambene nalokho, amashaja amabhethri we-lead-acid avame ukufaka isigaba sokushaja esintantayo, lapho ishaja isebenza ngokuqhubekayo lusebenzisa i-voltage ephansi ukuze ibhethri lisebenza ngokugcwele. Lesi sigaba asidingeki futhi silimaza amabhethri we-Lifepo4, ngoba angazuzi ngokugcinwa esimweni esenziwe nge-topped-off.
Ukuvikelwa Kokulondolozwa
Amabhethri we-Lifepo4 ngokuvamile afaka uhlelo lokuphathwa kwebhethri (i-BMS), evikela ibhethri ekutholeni ngokweqile, ekulahlekelweni ngokweqile, kanye nemibuthano emifushane. Ngenkathi i-BMS ihlinzeka ngesendlalelo sokuvikelwa, kubalulekile ukusebenzisa ishaja ngezivikelo ezakhelwe ngaphakathi kumabhethri we-Lifepo4 ukuqinisekisa ukuthi imibandela yokushaja efanelekile futhi ivikele ubunzima obungadingekile ku-BMS.
3. Ukubaluleka kokusebenzisa ishaja efanele amabhethri we-Lifepo4
Ukuphepha
Kusetshenziswa ishaja efanelekile kubalulekile ekuqinisekiseni ukuphepha kwebhethri lakho le-Lifepo4. Ukweqisa noma ukusebenzisa ishaja eyenzelwe i-chemistry ehlukile kungadala ngokweqile, ukuvuvukala, ngisho nomlilo ezimweni ezimbi kakhulu. Yize amabhethri we-LifePO4 abhekwa ephephile kunamanye amabhethri e-lithium-ion, ikakhulukazi ngokuya ngokuqina okushisayo, imikhuba yokushaja engalungile isengabeka izingozi zokuphepha.
I-Battery Isikhathi Eside
Amabhethri we-Lifepo4 ayaziwa ngempilo yawo ende emijikelezo, kepha lokhu kuphila isikhathi eside kungaphazamiseka uma ibhethri ligcwele kakhulu noma ligujwa. Ishaja eklanyelwe ngqo amabhethri we-Lifepo4 azosiza ukugcina amazinga afanele ama-voltage, aqinisekise ukuthi ibhethri lingafinyelela isikhathi salo esigcwele, esingasukela ku-2 000 imijikelezo engaphezu kuka-2 000 ibe yimijikelezo engaphezu kuka-5,000.
Ukusebenza okuhle
Ukushaja ibhethri le-Lifepo4Ngeshaja elifanele kuqinisekisa ukuthi ibhethri lisebenza ekusebenzeni kwayo okuphezulu. Ukushaja okungalungile kungaholela emijikelezweni yokushaja engaphelele, okuholele ekunciphiseni amandla okugcina amandla nokulethwa kwamandla okungasebenzi kahle.
4. Ungayikhetha kanjani ishaja efanelekile yebhethri lakho le-Lifepo4
Lapho ukhetha ishaja yebhethri lakho le-Lifepo4, kunezici eziningana okufanele ubheke ukuqinisekisa ukuhambisana nokuphepha.
Izilinganiso ze-Voltage nezamanje
· Voltage: Qinisekisa ukuthi ishaja ifana namandla kagesi akho ebhethri. Isibonelo, ibhethri le-12V Lifepo4 livame ukudinga ishaja nge-Voltage ezungeze i-14.6V (3.65V kuseli ngebhethri le-4-cell).
· Okwamanje: Ukushaja kwamanje kufanele nakho kufanelekile umthamo webhethri lakho. Ishaja eliphakeme kakhulu okwamanje lingadala ukushisa ngokweqile, kanti elinye eliphansi kakhulu lizophumela ekushaja kancane. Njengomthetho ojwayelekile, ukushaja okwamanje kufanele kube cishe ngo-0,2c kuye ku-0.5c umthamo webhethri. Isibonelo, ibhethri le-100AH lalizokhokhiswa ku-20a to 50a.
I-algorithm eqondene ne-Lifepo4
Qinisekisa ukuthi ishaja ilandela iphrofayili ye-voltage njalo / njalo (CC / CV) iphrofayili yokushaja, ngaphandle kwesiteji sokushaja esintantayo. Funa amashaja ashiwo ngokukhethekile ukuhambisana namabhethri we-Lifepo4 ekucacisweni kwawo.
Izici Zokuphepha Zakhelwe ngaphakathi
Khetha ishaja ngezinto zokuphepha ezakhelwe ngaphakathi ezifana:
Ukuvikelwa okungaphezulu kwe-Overvoltage: Ukuvimbela ukwedlula ngokweqile ngokumisa ngokuzenzakalelayo noma ukunciphisa ukushaja lapho ibhethri lifinyelela kumandla aphezulu aphezulu.
Ukuvikelwa okungaphezulu kwe-Overcurent: Ukuvimbela ukweqisa kwamanje ekulimazeleni ibhethri.
Ukuqapha Ukuhlola: Ukuvimbela ukugcwala ngokweqile ngesikhathi senqubo yokushaja.
Ukuhambisana nohlelo lokuphathwa kwebhethri (BMS)
Amabhethri we-LifePo4 ngokuvamile eza ne-BMS ukuphatha ama-voltage namazinga wamanje futhi avikele ekubhekeni ngokweqile nasekulahlekelweni ngokweqile. Ishaja oyikhethayo kufanele ihambisane ne-BMS ukuze isebenze ku-tandem, iqinisekisa inqubo yokushaja ephephile nesebenzayo.
5. Ungasebenzisa ishaja ye-lead-acid yamabhethri we-Lifepo4?
Kwezinye izimo, kungenzeka ukusebenzisa ishaja ye-lead-acid ukukhokhisa ibhethri le-Lifepo, kepha ngaphansi kwezimo ezithile. Amashaja amaningi we-lead-acid aklanywe ngamaphrofayili amaningi wokushaja, kufaka phakathi eyodwa yamabhethri e-lithium-ion, angabenza balungele amabhethri we-LifePo4. Kodwa-ke, kukhona ukucatshangelwa okubalulekile:
Ukushaja okuntanta: Ishaja ye-lead-acid akufanele ibe nesiteji sokushaja intando lapho ishaja amabhethri we-Lifepo4. Uma ukushaja ukuntanta kuyingxenye yomjikelezo weshaja, kungalimaza ibhethri.
Voltage efanele Uma i-voltage yeshaja idlula leli zinga, kungaholela ekutheni kube ngaphezulu.
Uma ishaja ye-lead-acid ingahlangabezani nalezi zindlela, kungcono ukungayisebenzi kumabhethri we-Lifepo4. Ishaja le-LifePo4 elizinikezele lizohlala liyindlela ephephe kunazo zonke futhi ethembekile kunazo zonke.
6. Kwenzekani uma usebenzisa ishaja engalungile?
Ukusebenzisa ishaja akwenzelwe amabhethri we-Lifepo4 kungaholela ezingqinamba ezimbalwa ezingaba khona:
Ukuphambana: Uma ishaja isebenzisa i-voltage ephakeme kune-3.65V kuseli ngalinye, kungadala ukuphakama ngokweqile, okungaholela ekushiseni ngokweqile, okuvuvukala, noma ukugijimela okushisayo ezimweni ezimbi kakhulu.
· UnderCharging: Ishaja enomoya onganele noma yamanje kungenzeka ukuthi ayikhokhisi ngokuphelele ibhethri, okuholela ekusebenzeni okuncishisiwe kanye nokusebenza okufushane.
Ukulimala kwebhethri: Ngokuphindaphindiwe usebenzisa ishaja engenalo kungadala ukulimala okungaphenduki kwebhethri, kunciphisa amandla alo, ukusebenza kahle, kanye nesikhathi sokuphila.
Ukugcina
Ukuphendula umbuzo, ingabe udinga ishaja ekhethekile yebhethri le-Lifepo4? - Yebo, kunconyelwa kakhulu ukusebenzisa ishaja eklanyelwe noma ehambelana namabhethri we-Lifepo4. Lawa mabhethri anezidingo ezihlukile zokushaja, kufaka phakathi amazinga athile athile okusebenza nama-algorithms ahlukile kwamanye amabhethri e-lithium-ion namabhethri alungile.
Kusetshenziswa ishaja efanele hhayi kuqinisekisa ukuphepha nokuphila isikhathi eside kwebhethri kodwa futhi kuyasiza ukugcina ukusebenza kwayo okuhle. Ukuthi usebenzisaAmabhethri we-Lifepo4 ezimotweni zikagesi, izinhlelo zokugcina amandla elanga, noma ama-elekthronikhi aphathekayo, ukutshala imali kwishaja efanelekile kubalulekile ukuze uthole okuningi ebhethri lakho.
Hlala uhlola ukucaciswa kwebhethri kanye neshaja, uqinisekise ukuthi ishaja ifana namandla kagesi nezidingo zamanje zebhethri lakho le-Lifepo4 futhi lilandela iphrofayili efanelekile yokushaja. Ngeshaja elifanele, ibhethri lakho le-LifePo4 lizoqhubeka nokuhlinzeka ngamandla athembekile, aphephile, futhi aphumelelayo iminyaka ezayo.
Isikhathi sePosi: Sep-14-2024
